/*
 * @Descripttion: 
 * @Author: liuYaoYu
 * @Date: 2021-12-12 16:55:22
 * @LastEditors: liuYaoYu
 * @LastEditTime: 2021-12-12 17:09:19
 */
package main
 import (
	 "fmt"
 )


 func main(){
	fmt.Println("=====>",calc(func (n1 int,n2 int) int{
		return n1+n2
	},30,30))
 }

 func calc(fun func(int,int)int,num1 int,num2 int)(int){
	 return fun(num1,num2)
 }